TREA

Oi Denki Co., Ltd.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Wrist watch-style pager
    • Patent number 6,329,903
    • Issue date Dec 11, 2001
    • OI Denki Co., Ltd.
    • Takeshi Yamamori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wrist band antenna
    • Patent number 5,986,566
    • Issue date Nov 16, 1999
    • Oi Denki Co., Ltd.
    • Takeshi Yamamori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Clip holder for a portable receiver
    • Patent number 5,613,236
    • Issue date Mar 18, 1997
    • Oi Denki Co., Ltd.
    • Kazuaki Tajima
    • G08 - SIGNALLING